Off Grid Home › Forums › Technical Discussion › bild it your self (D.I.Y enegy) › Re: bild it your self (D.I.Y enegy)
October 26, 2008 at 12:00 AM
#64133
j_pigdenParticipant
Cold frames use glass not plastic as part of the greenhouse effect. The EMS frequency of IR is only partly reflected by plastic. Glass has a higher reflectivity index.